DOSSIER · 13F Holders · Q3 2026

COREWEAVE INC

14 institutions still hold COREWEAVE INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 21873S908·14 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$1.5B
visible holders
Holders
14
filers reporting
Concentration
45.05%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

14 institutions reported COREWEAVE INC in Q3 2026. IMC-Chicago, LLC leads at 45.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$677M7.8M0.14%Q3 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$287M2.9M0.08%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$170M1.9M0.09%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$168M2.0M0.01%Q3 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$134M1.5M0.18%Q3 2026
06
HRT FINANCIAL LP
CIK 0001475597
$49M566K0.09%Q3 2026
07
AKUNA SECURITIES LLC
CIK 0001529090
$12M135K0.03%Q3 2026
08
DV Trading LLC
CIK 0001721757
$2M28K0.05%Q1 2026
09
CMT Capital Markets Trading GmbH
CIK 0001632813
$1M16K0.01%Q1 2026
10
Marathon Trading Investment Management LLC
CIK 0001572748
$871K10K0.02%Q3 2026
11
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$796K80K0.00%Q3 2026
12
SG Americas Securities, LLC
CIK 0001313360
$172K70K0.00%Q1 2026
13
AlphaCore Capital LLC
CIK 0001713662
$20K150.00%Q3 2026
14
OSAIC HOLDINGS, INC.
CIK 0001677044
$15K230.00%Q3 2026